Feat: Add facade pattern to send notification

src/entities/Notification.java

@@ -20,5 +20,15 @@ public abstract class Notification {
         return this.state != NotificationState.SENT && this.state != NotificationState.READ;
     }
 
+    public String getContent() {
+        return content;
+    }
+
+    /**
+     * Pas de change state car route non linéaire. On reste sur des enum !
+     */
+
+
+
     public abstract void send();
 }